Sb/Si(110) 2×3 surface studied with scanning tunneling microscopy: Evidence for adatom reconstruction

Scanning tunneling microscopy (STM) has been used to study the Sb/Si(110) 2×3 surface at room temperature. The STM filled-state image shows the presence of four protrusions per unit cell while the empty-state one presents two broader protrusions. These results are consistent with single Sb adatoms saturating three Si dangling bonds. ©1999 The American Physical Society.